2.0: Sign in controller (skeleton)
2.0: Authentication controller
2.0: Authentication
2.0: Link between the `ot-nav-user` and the authentication service
2.0: User menu (no directive)
2.0: User menu (no directive - cleanup)
2.0: User menu icon
2.0: Logout
2.0: Correct management of the authentication data using the model
2.0: Using {{expression}} for the account name
2.0:Separate the controller and the service for the sign in
2.0: App initialisation
2.0: Allowing for reload